Effects of elevated temperatures on the properties of ground granulated blast furnace slag (GGBFS) based geopolymer concretes containing recycled concrete aggregate

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dc.authoridKARAKOÇ, MEHMET BURHAN/0000-0002-6954-0051
dc.authoridÖzcan, Ahmet/0000-0002-6451-9413
dc.authorwosidKARAKOÇ, MEHMET BURHAN/ABG-5446-2020
dc.authorwosidÖzcan, Ahmet/JAO-3381-2023
dc.contributor.authorTopal, Ozge
dc.contributor.authorKarakoc, Mehmet Burhan
dc.contributor.authorOzcan, Ahmet
dc.date.accessioned2024-08-04T20:50:26Z
dc.date.available2024-08-04T20:50:26Z
dc.date.issued2022
dc.departmentİnönü Üniversitesien_US
dc.description.abstractThe use of waste materials in concrete design draws the attention of researchers. Studies on the use of these materials both as binders and aggregates accelerate. In this study, ground granulated blast furnace slag (GGBFS) based geopolymer concrete was produced. 0, 25, 50, 75 and 100% recycled concrete aggregate (RCA) was used instead of river aggregate in the mixtures. These samples were exposed to temperatures at 100, 200, 400, 600 and 800 degrees C. The cooling process of these samples exposed to temperature was in 3 different forms: air, oven and water. Compressive strength, ultrasonic pulse velocity (UPV), weight loss, sorptivity and water absorption values of the samples were determined. At the same time, the changes in the microstructure of the samples under the elevated temperature were examined. Compressive strengths of the samples decreased with increasing RCA ratio in the mixture. Samples were severely affected due to elevated temperature, properties of the samples decreased. As the temperature degree increased, the weight loss and sorptivity values of the samples increased. As the temperatures to which the samples were exposed increased, there was a decrease in Ca/Si ratio and an increase in Si/Al ratio. The microstructure of the samples deteriorated at elevated temperatures.en_US
dc.description.sponsorshipInonu University, Scientific Research Project Unit [FYL-2018-1575]en_US
dc.description.sponsorshipThe research work reported in this paper supported within the research project number of FYL-2018-1575 by Inonu University, Scientific Research Project Unit.en_US
dc.identifier.doi10.1080/19648189.2021.1871658
dc.identifier.endpage4862en_US
dc.identifier.issn1964-8189
dc.identifier.issn2116-7214
dc.identifier.issue10en_US
dc.identifier.scopus2-s2.0-85111260707en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage4847en_US
dc.identifier.urihttps://doi.org/10.1080/19648189.2021.1871658
dc.identifier.urihttps://hdl.handle.net/11616/100067
dc.identifier.volume26en_US
dc.identifier.wosWOS:000607256600001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofEuropean Journal of Environmental and Civil Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectRecycled concrete aggregateen_US
dc.subjectgeopolymer concreteen_US
dc.subjectground granulated blast furnace slagen_US
dc.subjectelevated temperatureen_US
dc.subjectcooling regimeen_US
dc.titleEffects of elevated temperatures on the properties of ground granulated blast furnace slag (GGBFS) based geopolymer concretes containing recycled concrete aggregateen_US
dc.typeArticleen_US

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